198957920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{509}}^1$

素因数の和:880

約数の個数: 96

約数和(自身を含む): 539784000

約数和(自身を除く): 340826080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 349, 509, 560, 698, 1018, 1120, 1396, 1745, 2036, 2443, 2545, 2792, 3490, 3563, 4072, 4886, 5090, 5584, 6980, 7126, 8144, 9772, 10180, 11168, 12215, 13960, 14252, 16288, 17815, 19544, 20360, 24430, 27920, 28504, 35630, 39088, 40720, 48860, 55840, 57008, 71260, 78176, 81440, 97720, 114016, 142520, 177641, 195440, 285040, 355282, 390880, 570080, 710564, 888205, 1243487, 1421128, 1776410, 2486974, 2842256, 3552820, 4973948, 5684512, 6217435, 7105640, 9947896, 12434870, 14211280, 19895792, 24869740, 28422560, 39791584, 49739480, 99478960, 198957920]

約数ペア:

[(1, 198957920), (2, 99478960), (4, 49739480), (5, 39791584), (7, 28422560), (8, 24869740), (10, 19895792), (14, 14211280), (16, 12434870), (20, 9947896), (28, 7105640), (32, 6217435), (35, 5684512), (40, 4973948), (56, 3552820), (70, 2842256), (80, 2486974), (112, 1776410), (140, 1421128), (160, 1243487), (224, 888205), (280, 710564), (349, 570080), (509, 390880), (560, 355282), (698, 285040), (1018, 195440), (1120, 177641), (1396, 142520), (1745, 114016), (2036, 97720), (2443, 81440), (2545, 78176), (2792, 71260), (3490, 57008), (3563, 55840), (4072, 48860), (4886, 40720), (5090, 39088), (5584, 35630), (6980, 28504), (7126, 27920), (8144, 24430), (9772, 20360), (10180, 19544), (11168, 17815), (12215, 16288), (13960, 14252)]